IMPINJ INC

Ticker: PI CUSIP: 453204109 Class: EQTY

FRONTIER CAPITAL MANAGEMENT CO LLC's Holding History (CIK: 0000351173)

Note: Option positions (PUT/CALL) are excluded.

Q4 2020

Shares 123,055 Value ($000) $5,152 Avg Close $34.84 Range $24.36 - $45.00

Q3 2020

Shares 123,117 Value ($000) $3,244 Avg Close $26.41 Range $21.81 - $32.58

Q2 2020

Shares 161,652 Value ($000) $4,441 Avg Close $23.41 Range $13.54 - $29.95

Q1 2020

Shares 381,804 Value ($000) $6,380 Avg Close $26.97 Range $11.47 - $36.56

Q4 2019

Shares 102,599 Value ($000) $2,653 Avg Close $31.09 Range $25.45 - $37.99

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	123,055	$5,152	$34.84	$24.36 - $45.00
Q3 2020	123,117	$3,244	$26.41	$21.81 - $32.58
Q2 2020	161,652	$4,441	$23.41	$13.54 - $29.95
Q1 2020	381,804	$6,380	$26.97	$11.47 - $36.56
Q4 2019	102,599	$2,653	$31.09	$25.45 - $37.99